9990482 has 4 divisors (see below), whose sum is σ = 14985726. Its totient is φ = 4995240.

The previous prime is 9990473. The next prime is 9990493. The reversal of 9990482 is 2840999.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2840999 = 7 ⋅405857.

It can be written as a sum of positive squares in only one way, i.e., 5013121 + 4977361 = 2239^2 + 2231^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2497619 + ... + 2497622.

Almost surely, 2^9990482 is an apocalyptic number.

9990482 is a deficient number, since it is larger than the sum of its proper divisors (4995244).

9990482 is a wasteful number, since it uses less digits than its factorization.

9990482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4995243.

The product of its (nonzero) digits is 46656, while the sum is 41.

The square root of 9990482 is about 3160.7723739618. The cubic root of 9990482 is about 215.3750942743.

The spelling of 9990482 in words is "nine million, nine hundred ninety thousand, four hundred eighty-two".